Contouring Block 28mm Radius internal face and 30mm external face, FINE grit. Dims. 280 x 47 x 52mm approx. Tungsten carbide grit abrasive, tough and long lasting.
Ideal for finishing under cambers, grooves and fillets. Leading and trailing edges.
Perma-Grit® Tools will cut:- All Woods, Glass Fibre, Carbon Fibre, Kevlar, Plexiglas, Lexan, Perspex, Acrylics, Plastics, Polystyrene, Brass, Copper, Aluminium, Ceramics, Stone, Horn, Antler etc.
FINE grit approx. equivalent to UK 320 / US 120 sandpaper
